Finding the Third Proportional to 8,103,117 and 12,360,420

Step by Step Solution

1. Step 1: Write the proportion equation
   8,103,117 : 12,360,420 = 12,360,420 : x
2. Step 2: Convert to fraction form
   8,103,117/12,360,420 = 12,360,420/x
3. Step 3: Cross multiply
   8,103,117x = 12,360,420 × 12,360,420
4. Step 4: Simplify right side
   8,103,117x = 152,779,982,576,400
5. Step 5: Solve for x
   x = 152,779,982,576,400/8,103,117
6. Step 6: Final answer
   x = 18,854,470.76